Usage:
Caballo Blanco Rhyolite Tuff (NM)
Caballo Blanco Rhyolite Tuff Member of Datil Formation (NM*)
Geologic age:
early Tertiary (Oligocene)*
Type section, locality, area and/or origin of name:
Named from Caballo Blanco Mountain [Whitehorse Mountain], in secs. 25 and 36, T. 18 S., R. 11 W., [Grant Co.], Dwyer 15-min quadrangle, southwestern NM (Elston, 1957).
AAPG geologic province:
Basin-and-Range province*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).